3M Scotch 1601 Insulating Varnish Transparent 400ml

The 3M Scotch 1601 Insulating Varnish is a high-performance synthetic resin-based aerosol spray designed for protecting electrical components. This transparent varnish provides excellent dielectric strength and resistance to moisture, dust, oil, weak acids, weak alkalis, and corrosion, making it ideal for use on electrical coils, transformers, motor windings, circuit boards, and electronic components.

Advantages

Offers quick drying time (dust dry in 10-15 minutes, fully cured in 2-3 hours) and a wide operating temperature range from -40°C to +120°C. The aerosol application ensures even coverage and easy use. RoHS compliant for environmental safety.

Suitable for

• Electrical coils and transformers
• Motor windings
• Circuit boards
• Electronic components

Key specifications

• Product Type: Insulating Varnish
• Color: Transparent
• Volume: 400 ml
• Application Method: Aerosol Spray
• Base Material: Synthetic Resin (Alkyd)
• Dielectric Strength: 20 kV/mm
• Operating Temperature Range: -40°C to +120°C
• Drying Time (Dust Dry): 10-15 minutes
• Drying Time (Fully Cured): 2-3 hours
• Resistance Properties: Moisture, Dust, Oil, Weak Acids, Weak Alkalis, Corrosion
• Flash Point: <0°C
• Shelf Life: 24 months (unopened)
• Recommended Film Thickness: 0.1 mm per coat
• RoHS Compliance: Yes

Recommendations

For best results, apply in a well-ventilated area and ensure surfaces are clean and dry. Multiple thin coats are recommended for optimal protection.